Apparatus for the manufacture of slag cement.



No. 757,085. PATENTEB APR. 12, 1904.

0.GRAMM. APPARATUS FOR THB MANUFAGTURE 0F SLAG CEMENT.

APPLICATION ILED MAB.. 5. 1902.

2 SHEETS-SHEET 1.

N0 MODEL.

4 5.1mm l w Vm w ,Y a E INVENTUR 7A/w. @HAMM 'WITNEEEEEz warn h ATT RNEYE No. 757,035.' PATENTBD APR. 12, 1904.

' o. GRAMM.

APPARATUS FOR THB MANUPAGTURE 0F SLAG CEMENT.

APPLICATION FILED MAR. 5, 1902.

2 SHEETS-SHEET 2.

N0 MODEL.

INVENTDR TAH/ @HAMM ATTURNEYE u a is the iniiow-chute of the slag.

UNITED STATES Patented April 1'2, 1904.V

PATENT, OFF-ICE.

CARL. GRAMM, OF FRNKFORT-ON-TIlE-MAVIN, GERMANY, ASSIGN'ORQBY MESNE ASSIGNMENTS, TO HENRY EDMUNDS, OF LONDON.

APPARATUS Fon THE MANUFACTURE oF' SLAG. C EMENT..

SPECIFICATION forming part of Letters Patent No. 757,035, dated April 12, 1.904.

Application filed March 5', 1 902.

To all whom it may concern,.-V o

Be itknown that I,y CARL GRAMM, a subject of the German Emperor, residing at Frankfort-on-the-Main, Germany,have invented certain newand useful Improvements in Apparatus for the Manufacture of Slag Cement, of which the following is a specification, taken in connection with the accompanying drawing which form a part of the same. 1

This invention relates to apparatus for the manufacture of slag cement, and relates especially to apparatus for disintegrating highlyheated or molten blast-furnace slag and for converting the same into a highly-cementitious materiah This invention relates to improvements on the 'apparatus described in United States Letters Patent to Fellner, No. 687,524, granted November 26, 1901. r2Q Now'the present invention has for its object to/povide means whereby to scrape olf and ,discharge laterally the nely-divided material which has fallen upon a flat or conical table a situated below the distributing-cone. To this 25 end the table is' mounted to rotate `upon rollers, and close above lit is fixed in a radial. or oblique 'position a stationary scraper which' sweeps overthe surface of the table while the latter revolves, whereby the finely-divided material distributed over the table is removed therefrom.,

Reference is to be had to the accompanying drawings, in whichp Figure 14 'sa central sectional elevation 'of one forni of my invention, and Fig. 2 is a like .'f-vie'w of anothery form.

'5 is'thefrotary distributing-cone, which is 4sitnated' below the inow a and, is. preferably 4Q-1'na'deof stepped form. Y c is the water-jacketed casing surrounding the cone 6,' a cold-water circulation being maintained through the jacket.4 Below the distributing-cone b is mounted a double-walled wa-` ter-cooled table d, whereof the" surface may be horizontal or conical, as shown in theV drawings. The table d rotates on rollers e, running on a circular race f. The table carries a ring 0f teeth j, with which gears a toothed Wheel g on a shaft a', provided with a belt-pulley li,l

vdius; but when the table is made conical, as

' plurality of revolutions to one revolutionof Serial No. 96,762. (No model.)

5o for the purpose of driving the table. The cooling-water for the table enters at is, v iiows through the passage l, and passes through the fixed-pipe m into the space between the two walls'of the table. The heated water, on 55 the contrary, overows into the-basin a and passes thence through the short pipes o into .the catch-basin p, whence it escapes through quires to be diverted to a definite'spot in the outer periphery of the table. For this pur'- pose there is provided at that spot a scraper s in the form of a blade, supported at #and u close above the upper surface of the table d.. When the surface -of the table is iiat, the said blade is preferably set' obliquely to the ra- 7o shown, the blade is preferably arranged radially thereto. Y

When a conical table d is used, it is preferablyso arranged as to project upward some L distance within the casing c, which surrounds the distributing-cone lt will be seen that the distributing-cone and the table d rotate in the same direction', but at a different angular speed, the vdistributing-cone making a 8 O the table.

Fig. 2 shows an alternative form of the table, wherein the slag is discharged by a central aperture of a conical table slanting `to ward its center.'

It is ofcourseapparent that modifications may be made by those familiar with this artv in the form, proportions, and numbers of parts of thisV apparatus without departing from the spirit of this invention or losing the advantages of the same. 1 do not, therefore, `desire to be limited to the details of the disclosure which has been made in this case; but

What I claim as new, and what Il desire to secure by Letters Patent, isset forth inthe appended claims: t

1. The combination of a rotary distributer', means for conveying material to said distribuuer, and a rotary table located below the distributer and arranged to 'receive the material therefrom.

2. The combination of a rotarydistributer, means for conveying material thereto, a rotary table located below the distributer and arranged to receive the material therefrom, and a stationary scraper adjacent to the table.

3. The combination of arotary distributer, means for conveying material thereto, a rotary tahlel arranged to receive the material from the distributer, and means for imparting different rotary movements 'to the table and to the distrbuter.

y 4. The combination of a rotary distributer; means for conveying the material thereto,v and a conical rotary table located below the distributer and arranged to receive the material therefrom. y

5. The combination of a stationary casing, a rotary distributer Within the casing, and a rotary table located exteriorly of the casing and arranged to receive the material from the distrilouter.l

In testimony whereof I have signed my name to this specification in the presence of two Subscribing witnesses.

CARL GRAMM.

Witneses:

JEAN GRUND, CARL GRUND. 

